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Research on Using AIMg10-SiC Cellular Alloys for Fluids Filtering

机译：利用AIMG10-SIC蜂窝合金流体过滤研究

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The paper presents some aspects of theoretical-experimental researches on the possibility of obtaining filters from a cellular metallic composite, based on theoretical considerations and practical aspects of the fluid environment, filter elements and the specific equipment that can accommodate this kind of filter. Thus, development of such new and performant filtering technologies, based on multifunctional materials, is currently conditioned by the design and development of cellular structures, with properties adapted to the filtering and functioning demands, structures that can reach operating temperatures between 150 and 2000°C. It was examined the possibility of obtaining alloys with cellular structure directly from casting process, alloys with high porosity, adjustable size and distribution of pores and high thermo-mechanical properties, which can be adapted for applications in the field of fluids filtration at temperatures above 100°C, fluids which can be chemically corrosive. The AlMg10-15% SiC cellular composite was obtained by means of melt bubbling method. We chose this type of material due to its achieved overall morphology: pores are uniform distributed throughout the mass of the material and they are connected through communication channels in the entire volume of the metallic composite. Through the conducted filtration tests we obtain the following values: filter fineness 97 urn, filtering capacity β97 = 8 and filtration efficiency E97 = 87.5 %. In accordance with determined filtering characteristics, the cellular metallic composite AlMg10-15% SiC belongs to the filters materials class that ensure a purity of the filtered fluid corresponding to a purity grade 6, in accordance with NAS 1638 and ISO 4406-1999.
机译：本文介绍了理论实验研究的一些方面，就可以基于流体环境，过滤元件和可容纳这种过滤器的特定设备的理论考虑和实际方面，从蜂窝金属复合材料获得来自蜂窝金属复合材料的可能性的一些方面。因此，基于多功能材料的开发如此新的和性能过滤技术，目前通过蜂窝结构的设计和开发，适用于过滤和功能的性能，可以达到150到2000°C之间的工作温度的结构。检查了将合金与细胞结构直接从铸造工艺中获得的可能性，具有高孔隙率，可调节尺寸和孔的分布和高热机械性能的合金，可适用于100高于100的液体过滤领域的应用。 °C，可以化学腐蚀的流体。通过熔化起泡方法获得AlmG10-15％SiC细胞复合材料。我们选择了这种类型的材料由于其实现了整体形态：孔在整个材料的整个质量块中分布均匀，并且它们通过金属复合材料的整个体积中的通信通道连接。通过进行的过滤试验，我们获得以下值：过滤细度97 URN，过滤能力β97= 8，过滤效率E97 = 87.5％。根据确定的过滤特性，细胞金属复合ALMG10-15％SiC属于过滤材料类，其根据NAS 1638和ISO 4406-1999确保对应于纯度6的过滤流体的纯度。

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